def get_album_art_for_item(self, item, callback):
item_id = item.get_id()
if item.is_audio():
query = Query.get_album_for_song_id(item_id)
else:
query = Query.get_album_for_album_id(item_id)
options = self.full_options.copy()
options.set_count(1)
self.search_source.query(query, self.METADATA_THUMBNAIL_KEYS, options,
callback)
def create_playlist(self, title):
def get_callback(source, param, item, count, data, error):
if item:
self.emit('playlist-created', item)
def cursor_callback(cursor, res, data):
try:
has_next = cursor.next_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
playlist_id = cursor.get_integer(0)
grilo.get_playlist_with_id(playlist_id, get_callback)
def query_callback(conn, res, data):
try:
cursor = conn.query_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
if not cursor:
return
cursor.next_async(None, cursor_callback, data)
def update_callback(conn, res, data):
playlist_urn = conn.update_blank_finish(res)[0][0]['playlist']
self.tracker.query_async(Query.get_playlist_with_urn(playlist_urn),
None, query_callback, None)
self.tracker.update_blank_async(Query.create_playlist(title),
GLib.PRIORITY_LOW, None,
update_callback, None)
def add_to_playlist(self, playlist, items):
def get_callback(source, param, item, count, data, error):
if item:
self.emit('song-added-to-playlist', playlist, item)
def query_callback(conn, res, data):
cursor = conn.query_finish(res)
if not cursor or not cursor.next():
return
entry_id = cursor.get_integer(0)
grilo.get_playlist_song_with_id(playlist.get_id(), entry_id,
get_callback)
def update_callback(conn, res, data):
entry_urn = conn.update_blank_finish(res)[0][0]['entry']
self.tracker.query_async(
Query.get_playlist_song_with_urn(entry_urn), None,
query_callback, None)
for item in items:
uri = item.get_url()
if not uri:
continue
self.tracker.update_blank_async(
Query.add_song_to_playlist(playlist.get_id(), uri),
GLib.PRIORITY_LOW, None, update_callback, None)
def _on_grilo_ready(self, data=None):
"""For all static playlists: get ID, if exists; if not, create the playlist and get ID."""
def playlist_id_fetched_cb(cursor, res, playlist):
""" Called after the playlist id is fetched """
try:
cursor.next_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
playlist.ID = cursor.get_integer(1)
if not playlist.ID:
# Create the static playlist
self._create_static_playlist(playlist)
else:
# Update playlist
self.update_static_playlist(playlist)
def callback(obj, result, playlist):
""" Starts retrieving the playlist id """
try:
cursor = obj.query_finish(result)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
# Search for the playlist ID
cursor.next_async(None, playlist_id_fetched_cb, playlist)
# Start fetching all the static playlists
for playlist in self._static_playlists.get_all():
self.tracker.query_async(
Query.get_playlist_with_tag(playlist.TAG_TEXT), None, callback,
playlist)
def tag_created_cb(obj, res, playlist):
""" Called when the tag is created """
creation_query = Query.create_playlist_with_tag(title, tag_text)
# Start creating the playlist itself
self.tracker.update_blank_async(creation_query, GLib.PRIORITY_LOW,
None, playlist_created_cb,
playlist)
def delete_playlist(self, item):
def update_callback(conn, res, data):
conn.update_finish(res)
self.emit('playlist-deleted', item)
self.tracker.update_async(Query.delete_playlist(item.get_id()),
GLib.PRIORITY_LOW, None, update_callback,
None)
def _create_static_playlist(self, playlist):
""" Create the tag and the static playlist, and fetch the newly created
playlist's songs.
"""
title = playlist.TITLE
tag_text = playlist.TAG_TEXT
def playlist_next_async_cb(cursor, res, playlist):
""" Called after we finished moving the Tracker cursor, and ready
to retrieve the playlist id"""
# Update the playlist ID
try:
cursor.next_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
playlist.ID = cursor.get_integer(0)
# Fetch the playlist contents
self.update_static_playlist(playlist)
def playlist_queried_cb(obj, res, playlist):
""" Called after the playlist is created and the ID is fetched """
try:
cursor = obj.query_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
return
cursor.next_async(None, playlist_next_async_cb, playlist)
def playlist_created_cb(obj, res, playlist):
""" Called when the static playlist is created """
data = obj.update_blank_finish(res)
playlist_urn = data.get_child_value(0).get_child_value(0).\
get_child_value(0).get_child_value(1).get_string()
query = Query.get_playlist_with_urn(playlist_urn)
# Start fetching the playlist
self.tracker.query_async(query, None, playlist_queried_cb,
playlist)
def tag_created_cb(obj, res, playlist):
""" Called when the tag is created """
creation_query = Query.create_playlist_with_tag(title, tag_text)
# Start creating the playlist itself
self.tracker.update_blank_async(creation_query, GLib.PRIORITY_LOW,
None, playlist_created_cb,
playlist)
# Start the playlist creation by creating the tag
self.tracker.update_blank_async(Query.create_tag(tag_text),
GLib.PRIORITY_LOW, None,
tag_created_cb, playlist)
def remove_from_playlist(self, playlist, items):
def update_callback(conn, res, data):
conn.update_finish(res)
self.emit('song-removed-from-playlist', playlist, data)
for item in items:
self.tracker.update_async(
Query.remove_song_from_playlist(playlist.get_id(),
item.get_id()),
GLib.PRIORITY_LOW, None, update_callback, item)
def populate_album_songs(self, album, callback, count=-1):
if album.get_source() == 'grl-tracker-source':
GLib.idle_add(self.populate_items,
Query.album_songs(album.get_id()), 0, callback, count)
else:
source = self.sources[album.get_source()]
length = len(album.songs)
for i, track in enumerate(album.songs):
callback(source, None, track, length - (i + 1), None)
callback(source, None, None, 0, None)
def playlist_created_cb(obj, res, playlist):
""" Called when the static playlist is created """
data = obj.update_blank_finish(res)
playlist_urn = data.get_child_value(0).get_child_value(0).\
get_child_value(0).get_child_value(1).get_string()
query = Query.get_playlist_with_urn(playlist_urn)
# Start fetching the playlist
self.tracker.query_async(query, None, playlist_queried_cb,
playlist)
def __init__(self):
Query()
self.MostPlayed.QUERY = Query.get_most_played_songs()
self.NeverPlayed.QUERY = Query.get_never_played_songs()
self.RecentlyPlayed.QUERY = Query.get_recently_played_songs()
self.RecentlyAdded.QUERY = Query.get_recently_added_songs()
self.Favorites.QUERY = Query.get_favorite_songs()
def _setup_view(self):
self._box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.player = Player(self)
self.selection_toolbar = SelectionToolbar()
self.toolbar = Toolbar()
self.views = []
self._stack = Gtk.Stack(
transition_type=Gtk.StackTransitionType.CROSSFADE,
transition_duration=100,
visible=True,
can_focus=False)
# Add the 'background' styleclass so it properly hides the
# bottom line of the searchbar
self._stack.get_style_context().add_class('background')
self._overlay = Gtk.Overlay(child=self._stack)
self._overlay.add_overlay(self.toolbar.dropdown)
self.set_titlebar(self.toolbar.header_bar)
self._box.pack_start(self.toolbar.searchbar, False, False, 0)
self._box.pack_start(self._overlay, True, True, 0)
self._box.pack_start(self.player.actionbar, False, False, 0)
self._box.pack_start(self.selection_toolbar.actionbar, False, False, 0)
self.add(self._box)
def songs_available_cb(available):
if available:
self._switch_to_player_view()
else:
self._switch_to_empty_view()
Query()
if Query.music_folder:
grilo.songs_available(songs_available_cb)
else:
self._switch_to_empty_view()
self.toolbar._search_button.connect('toggled', self._on_search_toggled)
self.toolbar.connect('selection-mode-changed', self._on_selection_mode_changed)
self.selection_toolbar._add_to_playlist_button.connect(
'clicked', self._on_add_to_playlist_button_clicked)
self.selection_toolbar._remove_from_playlist_button.connect(
'clicked', self._on_remove_from_playlist_button_clicked)
self.toolbar.set_state(ToolbarState.MAIN)
self.toolbar.header_bar.show()
self._overlay.show()
self.player.actionbar.show_all()
self._box.show()
self.show()
def _on_content_changed(self, mediaSource, changedMedias, changeType, locationUnknown):
try:
with self.tracker.handler_block(self.notification_handler):
for media in changedMedias:
media_id = media.get_id()
if changeType == Grl.SourceChangeType.ADDED:
# Check that this media is an audio file
mime_type = self.tracker.query_sync(
Query.is_audio(media_id),
[Grl.METADATA_KEY_MIME],
self.options)[0].get_mime()
if mime_type and mime_type.startswith("audio"):
self.changed_media_ids.append(media_id)
if changeType == Grl.SourceChangeType.REMOVED:
# There is no way to check that removed item is a media
# so always do the refresh
# todo: remove one single url
try:
self.changed_media_ids.append(media.get_id())
except Exception as e:
logger.warn("Skipping %s", media)
if self.changed_media_ids == []:
self.pending_changed_medias = []
if self.content_changed_timeout is not None:
GLib.source_remove(self.content_changed_timeout)
self.content_changed_timeout = None
return False
self.changed_media_ids = list(set(self.changed_media_ids))
logger.debug("Changed medias: %s", self.changed_media_ids)
if len(self.changed_media_ids) >= self.CHANGED_MEDIA_MAX_ITEMS:
self.emit_change_signal()
elif self.changed_media_ids != []:
if self.pending_event_id > 0:
GLib.Source.remove(self.pending_event_id)
self.pending_event_id = 0
self.pending_event_id = GLib.timeout_add(self.CHANGED_MEDIA_SIGNAL_TIMEOUT, self.emit_change_signal)
except Exception as e:
logger.warn("Exception in _on_content_changed: %s", e)
finally:
self.pending_changed_medias = []
if self.content_changed_timeout is not None:
GLib.source_remove(self.content_changed_timeout)
self.content_changed_timeout = None
return False
def callback(cursor, res, final_query):
uri = cursor.get_string(0)[0]
final_query += Query.add_song_to_playlist(playlist.ID, uri)
try:
has_next = cursor.next_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
has_next = False
# Only perform the update when the cursor reached the end
if has_next:
cursor.next_async(None, callback, final_query)
return
self.tracker.update_blank_async(final_query, GLib.PRIORITY_LOW,
None, None, None)
# tell system we updated the playlist so playlist is reloaded
self.emit('playlist-updated', playlist.ID)
def playlists_available(self, callback):
"""Checks if there are any non-static playlists available
Calls a callback function with True or False depending on the
availability of playlists.
:param callback: Function to call on result
"""
def cursor_next_cb(conn, res, data):
try:
has_next = conn.next_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
callback(False)
return
if has_next:
count = conn.get_integer(0)
if count > 0:
callback(True)
return
callback(False)
def playlists_query_cb(conn, res, data):
try:
cursor = conn.query_finish(res)
except GLib.Error as err:
logger.warn("Error: %s, %s", err.__class__, err)
callback(False)
return
cursor.next_async(None, cursor_next_cb, None)
# TODO: currently just checks tracker, should work with any
# queryable supported Grilo source.
self.sparqltracker.query_async(
Query.all_non_static_playlists_count(),
None, playlists_query_cb, None)
def get_playlist_song_with_id(self, playlist_id, entry_id, callback):
options = self.options.copy()
query = Query.get_playlist_song_with_id(playlist_id, entry_id)
self.tracker.query(query, self.METADATA_KEYS, options, callback, None)
def populate_playlist_songs(self, playlist, callback, count=-1):
if self.tracker:
GLib.idle_add(self.populate_items,
Query.playlist_songs(playlist.get_id()), 0, callback,
count)
def populate_playlists(self, offset, callback, count=-1):
if self.tracker:
GLib.idle_add(self.populate_items, Query.all_playlists(), offset,
callback, count)
def clear_playlist(self, playlist):
"""Starts cleaning the playlist"""
query = Query.clear_playlist_with_id(playlist.ID)
self.tracker.update_async(query, GLib.PRIORITY_LOW, None,
self._static_playlist_cleared_cb, playlist)
def update_callback(conn, res, data):
entry_urn = conn.update_blank_finish(res)[0][0]['entry']
self.tracker.query_async(
Query.get_playlist_song_with_urn(entry_urn), None,
query_callback, None)